a community-operated irrigation system that uses ditches, dams, and water gates to manage water distribution

Horace Greeley

a native chief or leader

1853 purchase of southern Arizona and New Mexico by the US from Mexico. ~30,000 acres. $10 million.

Built on the banks of the South Platte in 1838 as a trading post by Lieutenant Lancaster Lupton who resigned from the military a year prior. Closed in 1844 due to a particularly harsh blizzard.

A.D. 1540

Essentially a concentration camp of displaced Navajo and Mescalero Apache people at Fort Sumner, NM

The Sioux and Cheyenne destroyed Custer's army at Little Bighorn in 1876. East of Billings and north of Sheridan